Remove duplication of encoded image data

third_party/WebKit/Source/platform/graphics/BitmapImage.h

Index: third_party/WebKit/Source/platform/graphics/BitmapImage.h
diff --git a/third_party/WebKit/Source/platform/graphics/BitmapImage.h b/third_party/WebKit/Source/platform/graphics/BitmapImage.h
index 98a16777d85da40c6755aff344e8c113df2502ec..6497fbc45d14811b9a416b4a392cd9771a687a3c 100644
--- a/third_party/WebKit/Source/platform/graphics/BitmapImage.h
+++ b/third_party/WebKit/Source/platform/graphics/BitmapImage.h
@@ -65,6 +65,7 @@ public:
     IntSize sizeRespectingOrientation() const;
     bool getHotSpot(IntPoint&) const override;
     String filenameExtension() const override;
+    bool setData(PassRefPtr<SharedBuffer> data, bool allDataReceived) override;
     bool dataChanged(bool allDataReceived) override;
 
     bool isAllDataReceived() const { return m_allDataReceived; }
@@ -125,6 +126,8 @@ private:
     // some room in the image cache.
     void destroyDecodedData() override;
 
+    PassRefPtr<SharedBuffer> data() override;
+
     // Notifies observers that the memory footprint has changed.
     void notifyMemoryChanged();
 
@@ -154,6 +157,7 @@ private:
     // Returns whether the animation was advanced.
     bool internalAdvanceAnimation(bool skippingFrames);
 
+    RefPtr<SharedBuffer> m_temporaryEncodedImageData;
     ImageSource m_source;
     mutable IntSize m_size; // The size to use for the overall image (will just be the size of the first image).
     mutable IntSize m_sizeRespectingOrientation;